Patent US3254748A successfully refreshed from Google Patents.
US3254748A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Clutch linkage system
Assignee: Borg Warner Corp
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Filing: 1963-09-27
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Granted: 1966-06-07
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Expires: 1983-09-27
Abstract
No abstract record available.
Inventors
- 👤 Richard L Smirl
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 14:48
CPC Classifications
F; F16; F16D; F16D23/00; F16D23/12
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
94 words
A FRICTION MECHANISM COMPRISING: FRICTION MEANS HAVING A FIRST PORTION AND A SECOND PORTION ADAPTED FOR INTERENGAGEMENT, AT LEAST SAID FIRST PORTION HAVING A FRICTION FACING CARRIED BY RESILIENT CUSHIONS THEREON, SAID CUSHIONS BEING ADAPTED TO BE SUBSTANTIALLY FLEXED WHEN SAID PORTIONS ARE FULLY INTERENGAGED, THEREBY EXERTING A MAXIMUM REACTION FORCE UPON THE SECOND PORTION OF SAID FRICTION MEANS TENDING TO URGE THEM APART; MANUALLY OPERATED MEANS MOVABLE BETWEEN A FRICTION MEANS ENGAGING POSITION TO A FRICTION MEANS DISENGAGING POSITION; RESILIENT MEANS NORMALLY URGING SAID PORTIONS INTO INTERENGAGEMENT AND HAVING MAXIMUM EFFECTIVENESS DURING THE
Claim 2
Dependent Claim
94 words
A FRICTION MECHANISM COMPRISING: FRICTION MEANS HAVING A FIRST PORTION AND A SECOND PORTION ADAPTED FOR INTERENGAGEMENT, AT LEAST SAID FIRST PORTION HAVING A FRICTION FACING CARRIED BY RESILIENT CUSHIONS THEREON, SAID CUSHIONS BEING ADAPTED TO BE SUBSTANTIALLY FLEXED WHEN SAID PORTIONS ARE FULLY INTERENGAGED, THEREBY EXERTING A MAXIMUM REACTION FORCE UPON THE SECOND PORTION OF SAID FRICTION MEANS TENDING TO URGE THEM APART; MANUALLY OPERATED MEANS MOVABLE BETWEEN A FRICTION MEANS ENGAGING POSITION TO A FRICTION MEANS DISENGAGING POSITION; RESILIENT MEANS NORMALLY URGING SAID PORTIONS INTO INTERENGAGEMENT AND HAVING MAXIMUM EFFECTIVENESS DURING THE
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-06-06 | 1969-12-06 | 1970-06-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-06-06 | 1973-12-06 | 1974-06-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-06-06 | 1977-12-06 | 1978-06-07 | $7700.00 | Window Closed / Lapsed |